What is the percentile rank corresponding to a score of X = 24.5? X f 25-29 2 20-24 5 15 19 7 13 6 8 2 2 10 14 - cf 20 18 5-9 C% 100% 90% 65% 40% 10% O 18% 90% 65% cannot be determined from the information given

Q: A population is normally distributed with a mean of u = 145 and o 20. Which is the percentile rank…

A: According to the given information, we have The distribution is normal. Mean = 145 Standard…

Q: The Computer Anxiety Rating Scale (CARS) measures an individual’s level of computer anxiety, on a…

A:

Q: percentile of the value 44. (Note: Percenti always rounded to the nearest whole num 47 35 30 44

A: The percentile for a given value is obtained by the following formula:Percentile for a value=Number…

Q: Find the 5 number summary for the data shown 12 31 32 34 35 46 47 50 66 69 80 85 92 93 100 5 number…

A: Solution-: We find five number summary for given data

Q: ( )1. A doctor recorded the survival time of 6 tumor patients after the chemical therapy. 5 of them…

A: Given Recorded survival time of 6 tumor patients (TP) Survival time: 5 TP: 1 month, 1 month, 2…

Q: What is the z-score range for the following percentile: 29th O Between -0.29 and -0.30 O Between…

A: Given percentile = T = 29 Z=x-μσ

Q: From the following data, calculate the percentage of relative frequency of the fourth class 15- 19.…

A: Answer is 0.21428

Q: Which of the following z scores are above the mean? Choose all that apply.     0     1.35…

A: For normal distribution, the mean is equal to 0

Q: find the precise median  for the following scores measuring a continuous variable  2 3 4 4 5 5 5 6…

A: 2 3 4 4 5 5 5 6 6 7 n =10 for the given data, average of the middle most term…

Q: A sample of scores has a mean of ? = 35 and ? = 6. Find the z-scores that correspond to the…

A: We have given that,  Let Y be the random variable from normal distribution with mean (μ) = 35 and…

Q: What is the third quartile for the data set? 45 6 7 O 2 O 1.5 O 6 O 7.5

A: Consider the data set

Q: Find sd.The differences between two sets of dependent data are​ 0.4, 0.24,​ 0.22, 0.26, 0.34. Round…

A: The formula for sample standard deviation is,

Q: Part d: Compute the least squares regression equation. Show your work. Parte: If appropriate, use a…

A: The given data is    Knowledge Score Calcium Intake xy x2 y2   38 9.4 357.2 1444 88.36   25…

Q: For the data represented by the Stem and Leaf diagram shown below , answer (True) or (False):

A: Sort the data from stem and leaf as follows,…

Q: The measures which give you the spread of the data values are

A: The measure of central tendency and measure of location is a value that describes the data by giving…

Q: The student's weighted mean score is (Simplify your answer. Round to two decimal places as needed.)

A: Given that  x Weighted (w) w*x 88 35 3080 89 5 445 90 10 900 91 5 455 99 45 4455…

Q: The waiting times (in minutes) for 11 customers at a supermarket are: 14 9 15 44 7 9 11 14 2 6 The…

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Q: 11q10 Find the 5 number summary for the data shown 20 24 25 30 33 41 42 44 56 65 76 79 89 92 5…

A:

Q: Consider the following data: 2,3, 4, 5, 6 P(X-x) 0.1, 0.3, 0.3, 0.1, 0.2 Find the value of P(X>4)

A: Answer: From the given data,   X      2     3     4    5    6 P(X)   0.1  0.3  0.3  0.1  0.2

Q: The table below shows the frequency of AP Physics scores for a high school class. AP Score…

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Q: Calculate the 75th percentile of the data shown x 1.1 4.5 7.2 8 12.4 15.7 18.9 25.4 26.5 27.3 28.6…

A: We have to find a value such that 75% of the values are smaller than that value.Here,the total…

Q: lecture(12.1): A statistics class is made up of 22 students learning on line and 15 studying in…

A: No. of students learning stats online=22 No. of students learning stats in person=15 The objective…

Q: Part 1 of 2 30% 70% The percentage of men with cholesterol levels above 220 is closest to (Choose…

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Q: The percentile is the:   Question 5 options:   same thing as a percentage.   percentage of scores…

A:

Q: How many pairs of shoes does a typical teenage boy own? To find out, two AP Statistics students…

A:

Q: The scatter plot shown would seem to indicate which type of data association

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Q: Data was collected for a sample of organic snacks. The amount of sugar (in mg) in each shack is…

A: From the provided histogram we have the frequency distribution as, Classes Frequency…

Q: The marks obtained by 10 students in a test, scored out of 60, are shown below. 29 38 26 42 38 45 35…

A: The given data .The aim is to find the value of range, median, and mean.

Q: Which plot indicates a correlation of 0.7? Y & R 8 50 T 10

A: Here, first figure shows negative correlation because trend line goes negative axis.

Q: The table below shows the frequency of AP Biology scores for a high school class. AP Score…

A: Given data,   AP Score(x) Frequency(f) Cumulative frequency f*x 1 5 5 1*5=5 2 7 12 2*7=14 3…

Q: For this you will perform an independent samples t test. A psychologist is interested in examining…

A: The value of standard error is,

Q: Listed below are pulse rates (beats per minute) from samples of adult males and females. Find the…

A:

Q: 5 4 6 3 5 2 3

A:

Q: GIVEN THE FOLLOWING DATA OF SCORES OF STUDENTS IN AN EXAM IN BASIC STATISTICS 29 32 41 24 42 34 23…

A: Calculate Percentiles-85 to 95 from the following…

Q: You wish to determine if there is a negative linear correlation between the age of a driver and the…

A: Given:n = 8 (no. of data pairs)Pearson correlation coefficient formula:Now, let's make a table in MS…

Q: Which correlation would allows for the best prediction of Y based on X? Group of answer choices r…

A: We have to find correlation would allows for the best prediction of Y based on X

Q: Suppose that the correlation between height and IQ in children is +0.70. What proportion (or…

A: given data  correlation coefficient r = +0.70 proportion of variance explained by the relationship…